49050857664 has 140 divisors (see below), whose sum is σ = 145524629448. Its totient is φ = 16336512000.

The previous prime is 49050857659. The next prime is 49050857683. The reversal of 49050857664 is 46675805094.

49050857664 is a `hidden beast` number, since 4 + 9 + 0 + 5 + 0 + 8 + 576 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 49050857664.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7518724 + ... + 7525244.

Almost surely, 2^49050857664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49050857664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72762314724).

49050857664 is an abundant number, since it is smaller than the sum of its proper divisors (96473771784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49050857664 is a wasteful number, since it uses less digits than its factorization.

49050857664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7996 (or 7977 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 49050857664 in words is "forty-nine billion, fifty million, eight hundred fifty-seven thousand, six hundred sixty-four".